MSD Chicago-Mainstream Sys DH71-81(F2
Status not reported Other well
| API number | 12-031-01667 |
|---|---|
| Operator | Harza Engineering Co. |
| County | Cook, Illinois |
| Completed | 1971-10-04 |
| Depth | 816 ft |
| Surface location | 41.947517, -87.855366 · wells within 1 mile |
| State record | Illinois State Geological Survey ↗ |
| Data as of | 2026-10-17 |
From Illinois State Geological Survey public records. Verify with the state before relying on this information.